200222028 has 72 divisors (see below), whose sum is σ = 514878000. Its totient is φ = 65598336.

The previous prime is 200222027. The next prime is 200222051. The reversal of 200222028 is 820222002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 200222028.

It is not an unprimeable number, because it can be changed into a prime (200222027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 874218 + ... + 874446.

Almost surely, 2^200222028 is an apocalyptic number.

It is an amenable number.

200222028 is an abundant number, since it is smaller than the sum of its proper divisors (314655972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200222028 is a wasteful number, since it uses less digits than its factorization.

200222028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 200222028 is about 14149.9833215449. The cubic root of 200222028 is about 585.0198722156.

The spelling of 200222028 in words is "two hundred million, two hundred twenty-two thousand, twenty-eight".